Fix virtual/override/final usage in Source/core/{animation,css,style}/.

Source/core/css/MediaValuesCached.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MediaValuesCached_h
 #define MediaValuesCached_h
 
 #include "core/CoreExport.h"
 #include "core/css/MediaValues.h"
 
@@ skipping 37 matching lines @@
             , strictMode(true)
             , displayMode(WebDisplayModeBrowser)
         {
         }
     };
 
     static PassRefPtr<MediaValues> create();
     static PassRefPtr<MediaValues> create(Document&);
     static PassRefPtr<MediaValues> create(LocalFrame*);
     static PassRefPtr<MediaValues> create(MediaValuesCachedData&);
-    virtual PassRefPtr<MediaValues> copy() const override;
-    virtual bool isSafeToSendToAnotherThread() const override;
-    virtual bool computeLength(double value, CSSPrimitiveValue::UnitType, int& result) const override;
-    virtual bool computeLength(double value, CSSPrimitiveValue::UnitType, double& result) const override;
+    PassRefPtr<MediaValues> copy() const override;
+    bool isSafeToSendToAnotherThread() const override;
+    bool computeLength(double value, CSSPrimitiveValue::UnitType, int& result) const override;
+    bool computeLength(double value, CSSPrimitiveValue::UnitType, double& result) const override;
 
-    virtual int viewportWidth() const override;
-    virtual int viewportHeight() const override;
-    virtual int deviceWidth() const override;
-    virtual int deviceHeight() const override;
-    virtual float devicePixelRatio() const override;
-    virtual int colorBitsPerComponent() const override;
-    virtual int monochromeBitsPerComponent() const override;
-    virtual PointerType primaryPointerType() const override;
-    virtual int availablePointerTypes() const override;
-    virtual HoverType primaryHoverType() const override;
-    virtual int availableHoverTypes() const override;
-    virtual bool threeDEnabled() const override;
-    virtual bool strictMode() const override;
-    virtual Document* document() const override;
-    virtual bool hasValues() const override;
-    virtual const String mediaType() const override;
-    virtual WebDisplayMode displayMode() const override;
+    int viewportWidth() const override;
+    int viewportHeight() const override;
+    int deviceWidth() const override;
+    int deviceHeight() const override;
+    float devicePixelRatio() const override;
+    int colorBitsPerComponent() const override;
+    int monochromeBitsPerComponent() const override;
+    PointerType primaryPointerType() const override;
+    int availablePointerTypes() const override;
+    HoverType primaryHoverType() const override;
+    int availableHoverTypes() const override;
+    bool threeDEnabled() const override;
+    bool strictMode() const override;
+    Document* document() const override;
+    bool hasValues() const override;
+    const String mediaType() const override;
+    WebDisplayMode displayMode() const override;
 
     void setViewportWidth(int);
     void setViewportHeight(int);
 
-    virtual bool isCached() const override { return true; }
+    bool isCached() const override { return true; }
 protected:
     MediaValuesCached();
     MediaValuesCached(LocalFrame*);
     MediaValuesCached(const MediaValuesCachedData&);
 
     MediaValuesCachedData m_data;
 };
 
 } // namespace
 
 #endif // MediaValuesCached_h